Communications Patents Ltd
CommunicatActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3693090A | Wired broadcasting systems | Expired / Lapsed | 1969-08-08 | 1972-09-19 | 15 | Details |
| US3327224A | Apparatus for producing time scale markings on magnetic rec… | Expired / Lapsed | 1962-11-29 | 1967-06-20 | 2 | Details |
| US3293348A | Flight training apparatus | Expired / Lapsed | 1962-08-27 | 1966-12-20 | 2 | Details |
| US3258855A | Flight training apparatus | Expired / Lapsed | 1963-11-18 | 1966-07-05 | 2 | Details |
| US3251922A | Radar training apparatus | Expired / Lapsed | 1963-05-20 | 1966-05-17 | 2 | Details |
| US3220121A | Ground-based flight training or simulating apparatus | Expired / Lapsed | 1963-05-20 | 1965-11-30 | 2 | Details |
| US3034707A | Broadcasting systems | Expired / Lapsed | 1958-03-13 | 1962-05-15 | 0 | Details |
| US2924892A | Apparatus for simulating radar detection equipment | Expired / Lapsed | 1956-08-20 | 1960-02-16 | 0 | Details |
| US2902670A | Radar simulation or the like | Expired / Lapsed | 1955-02-01 | 1959-09-01 | 0 | Details |
| FR1066312A | Navigation instruction or training device | Expired / Lapsed | 1952-09-13 | 1954-06-03 | 0 | Details |